Length of scale : metre : : speed of aeroplane : __________.

Length : metre scale : : Current : ___________

Velocity : metre/second : : Acceleration : _________.

An aeroplane flys around squares whose all sides are of length 100 miles. If the aeroplane covers at a speed of 100 mph the first side, 200 mph the second side 300 mph the third side and 400 mph the fourth side. The average speed of aeroplane around the square is

One Metre is equal to ________ nm.

Define one metre.

Define one metre.

From the frequency change, the speed and location of the aeroplanes and aircrafts are tracked by ________ .

A spring balance has a scale that reads from 0 to 50kg the length of the scale is 20 cm . A body suspended from this balance, when displaced and released, oscillates with a period of 0.6s. Then the weight of the body will be